DNA Timeline

Gregor Mendel proves heredity with Pea Plant Experiment

Jun 4, 1866

Pea Plant ExplanationGregor Mendel shows that blending is not how genes and DNA work and that heredity is how traits show.

Friedrich Meischer's Isolation of DNA

Apr 8, 1869

Friedrich's Bio and His Experiments Friedrich's experiment of isolating DNA went with him taking puss filled bandages and soaking them in a salt and light Alkyline solution which dissolved the cell around the DNA.

Thomas Morgan's Fly Experiment

Nov 28, 1904

Thomas Morgan's Fruit Fly Experiment Thomas Morgan's fruit fly experiment showed that the genes in the parents get mixed and can cause different outcomes

Erwin Chargaff

Jun 17, 1950

Erwin Chargaff's Bio
Chargaff showed how, when replaced, the T is then swapped out for a U instead. This showed nucleotides must be arranged so that way there is equal A as there is T and same for G and C.

Rosalind Franklin's Experiment

May 24, 1952

Rosalind Franklin Bio
Rosalind used X-ray through DNA to figure out the 3 dimensional shape of it.

Hershey-Chase Experiment

Nov 11, 1952

H&C Experiment Bio
Proves that DNA was used to create new Phage particles.

Watson & Crick Double Helix

Sep 30, 1953

W&C Double Helix
Watson & Crick showed that DNA wraps and builds in the shape of a double helix from X-rays and what the sctructures are made of.

Craig Venter

Mar 8, 2000

Venter's Bio Made the Human Genome experiment.